cxx_Thread.cpp
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/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
*/
#include "cxx_thread.h"
using namespace rtthread;
Thread::Thread(rt_uint32_t stack_size,
rt_uint8_t priority,
rt_uint32_t tick,
const char *name)
: _entry(RT_NULL), _param(RT_NULL), started(false)
{
rt_event_init(&_event, name, 0);
_thread = rt_thread_create(name,
(thread_func_t)func,
this,
stack_size,
priority,
tick);
}
Thread::Thread(void (*entry)(void *p),
void *p,
rt_uint32_t stack_size,
rt_uint8_t priority,
rt_uint32_t tick,
const char *name)
: _entry(entry), _param(p), started(false)
{
rt_event_init(&_event, name, 0);
_thread = rt_thread_create(name,
(thread_func_t)func,
this,
stack_size,
priority,
tick);
}
Thread::~Thread()
{
rt_event_detach(&_event);
rt_thread_delete(_thread);
}
bool Thread::start()
{
if (rt_thread_startup(_thread) == RT_EOK)
{
started = true;
}
return started;
}
void Thread::sleep(int32_t millisec)
{
rt_int32_t tick;
if (millisec < 0)
tick = 1;
else
tick = rt_tick_from_millisecond(millisec);
rt_thread_delay(tick);
}
void Thread::func(Thread *pThis)
{
if (pThis->_entry != RT_NULL)
{
pThis->_entry(pThis->_param);
}
else
{
pThis->run(pThis->_param);
}
rt_event_send(&pThis->_event, 1);
}
void Thread::run(void *parameter)
{
/* please overload this method */
}
rt_err_t Thread::wait(int32_t millisec)
{
return join(millisec);
}
rt_err_t Thread::join(int32_t millisec)
{
if (started)
{
rt_int32_t tick;
if (millisec < 0)
tick = -1;
else
tick = rt_tick_from_millisecond(millisec);
return rt_event_recv(&_event, 1, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR, tick, RT_NULL);
}
else
{
return -RT_ENOSYS;
}
}